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A homemade propulsion toy made out of PVC pipes. The device consists of a chamber, funnel, and barrel. Spray paint is added to the "fuel" chamber and is then ignited with a lighter in the back. The momentum generated by the resulting combustion sends whatever is in the barrel hurtling at great speed.
Dude, check out the hoel in the building we made with the potato gun!
by Alex Kolkena May 17, 2003
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